Units

Dates	Unit	Models
aug65 to jan72	283rd MedDet US Army Aviation
jun66 to dec70	281th ASH US Army Aviation	204 205
apr67 to mar72	HAL-3 US Navy	HH-1K Iroquois UH-1L Iroquois UH-1B Iroquois
sep67 to apr71	45 MedCo US Army Aviation	205
sep67 to oct71	242nd ASHC US Army Aviation	CH-47 Chinook
may68 to nov68	HC-2 US Navy	Seasprite

Not all models shown may have taken part in the Operation
Some of the units could be operating fixed wing aircraft at the time, check every unit for details

Ships

Classes		Ships
Aircraft Carrier	America (1965) class	CV-66 USS America,